mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-26 22:51:12 +00:00
49 lines
1.8 KiB
C++
49 lines
1.8 KiB
C++
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/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <stratosphere.hpp>
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namespace ams::dmnt {
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class HtcsReceiveBuffer {
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public:
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static constexpr size_t ReceiveBufferSize = 4_KB;
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private:
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u8 m_buffer[ReceiveBufferSize];
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os::Event m_readable_event;
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os::Event m_writable_event;
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os::SdkMutex m_mutex;
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size_t m_readable_size;
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size_t m_offset;
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bool m_valid;
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public:
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HtcsReceiveBuffer() : m_readable_event(os::EventClearMode_ManualClear), m_writable_event(os::EventClearMode_ManualClear), m_mutex(), m_readable_size(), m_offset(), m_valid(true) { /* ... */ }
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ALWAYS_INLINE bool IsReadable() const { return m_readable_size != 0; }
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ALWAYS_INLINE bool IsWritable() const { return m_readable_size == 0; }
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ALWAYS_INLINE bool IsValid() const { return m_valid; }
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ssize_t Read(void *dst, size_t size);
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ssize_t Write(const void *src, size_t size);
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bool WaitToBeReadable();
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bool WaitToBeReadable(TimeSpan timeout);
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bool WaitToBeWritable();
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void Invalidate();
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};
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}
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